![](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-1327669397.jpg?crop=1.00xw:0.755xh;0,0.115xh&resize=320:* ""Stillwater" Red Carpet - The 74th Annual Cannes Film Festival")
When one finds oneself at a social function with J.K. Rowling, there is but one course of action: Corner her and ask her all your pressing questions about Harry Potter. It helps if you're the leader of the free world.
Not that anyone really knows what went on at the U.S. ambassador's London residence Saturday, but Rowling spokeswoman Rebecca Salt confirmed to the AP that the author did attend the private dinner with Obama. Did they discuss the results of his Pottermore quiz? (Ravenclaw, right?) Eddie Redmayne's floppy hair in Fantastic Beasts and Where to Find Them? We may never know, but sometimes, the possibilities alone are enough.
Follow Marie Claire on Facebook for the latest celeb news, beauty tips, fascinating reads, livestream video, and more.
![](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-1347368832.jpg?crop=1.00xw:0.376xh;0,0.0560xh&resize=480:* ""Dune" UK Special Screening - Red Carpet Arrivals")
![](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-1347459455.jpg?crop=1.00xw:0.306xh;0,0.0430xh&resize=480:* "The Duchess Of Cambridge Makes Keynote Speech To Launch "Taking Action On Addiction" Campaign")
![](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-109096154-1634635809.jpg?crop=1.00xw:0.615xh;0,0.126xh&resize=480:* "AG Adriano Goldschmied Launches "backstAGe presents:" With A Performance By The Black Keys")
